氷蔵および氷冷下のサバにおけるヒスタミン生成と細菌フローラについて
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In order to determine the mechanism of histamine (Hm) formation in scombroid fish stored at low temperature, total viable and luminous bacterial counts (TVC and LBC), bacterial flora, Hm contents in several parts of mackerel stored in ice and at the temperature of ice, and Hm formation by the isolates were studied. In the first experiment (Exp. I), Hm was formed in the muscles during storage at the temperature of ice but not in ice. Hm content was far higher in the ventral muscles than in the dorsal muscles. P. phosphoreum grew in the abdominal walls in both storages (ca. 81% in LBC/TVC), and in the muscles during storage at the temperature of ice (ca. 2.5% in LBC/TVC). P. phosphoreum isolated formed a high level of Hm. In the second experiment (Exp. II), a small amount of Hm was formed in the muscles, especially the ventral muscles, and P. phosphoreum was not found in fish before and after storage. These results indicate that P. phosphoreum plays an exclusive role in histamine formation in mackerel stored at the temperature of ice. Both whole and halophilic bacterial floras were dominated by Vibrio in all the parts (skin, muscle, abdominal walls) of fish in Exp. I and by Pseudomonas or Moraxella in Exp. II. Photobacterium leiognathi was found in all the parts of fish before storage in Exp. I but not in Exp. II, and P. phosphoreum also grew only in fish after storage in Exp. I as above. Pseudomonas or Moraxella dominated also in Exp. I after growth of P. phosphoreum. These results suggest that Photobacterium grows in the flora dominated by Vibrio, especially halophilic floras, and hardly grows in the flora dominated by Pseudomonas or Moraxella.
- 公益社団法人 日本水産学会の論文
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関連論文
- 低温性発光細菌Photobacterium phosphoreumのヒスタミン生成に及ぼす因子の影響
- 氷蔵および氷冷下のサバにおけるヒスタミン生成と細菌フローラについて
- Bacterial flora in the digestive tracts of mudskipper fishes. Boleophthalmus pectinirostris and Periophthalmus cantonensis.